|
After observing an earthworm, Mohit decided to place it in phylum-Annelida. Which two features did he observe that helped him?
|
|
2
|
951
|
April 10, 2019
|
|
Calculate the net acceleration force, the acceleration of the train and the force of wagon 1 on wagon 2
|
|
1
|
1053
|
April 8, 2019
|
|
Find the mass of the body
|
|
1
|
1041
|
April 8, 2019
|
|
Which parameter tissue in plants is responsible for providing flexibility to plants?
|
|
1
|
2878
|
April 8, 2019
|
|
Write the number of neutrons present in C and C isotopes of carbon
|
|
1
|
750
|
April 8, 2019
|
|
Suggest any two adaptations, which are present in aquatic animals
|
|
1
|
741
|
April 8, 2019
|
|
Write down the scientific name of Feather star and Apple snail
|
|
1
|
751
|
April 8, 2019
|
|
Calculate the height of the bridge from the water level and the distance covered by the stone in 2 s
|
|
1
|
929
|
April 8, 2019
|
|
The nitrogen cycle is said to be a perfect cycle. Explain, why?
|
|
1
|
781
|
April 8, 2019
|
|
Which values are displayed by Mahima? Is Mahima right in her statement? How do you define average speed?
|
|
1
|
814
|
April 8, 2019
|
|
What values do you observe in Amrita's behaviour?
|
|
1
|
640
|
April 8, 2019
|
|
How can you separate particles of colloidal solution? Name the process
|
|
1
|
2671
|
April 8, 2019
|
|
If in a same bus 4 more passenger of total 250 kg sits, then find the new kinetic energy
|
|
1
|
850
|
April 5, 2019
|
|
How does the depletion of ozone layer in stratosphere affect living beings on the Earth?
|
|
1
|
624
|
April 5, 2019
|
|
Explain, the cause of air pollution and the effect it have on other living organisms
|
|
1
|
848
|
April 5, 2019
|
|
What could be the possible reason for the intense pain felt by Sita?
|
|
1
|
821
|
April 5, 2019
|
|
If solubility of a solute is S, find its percentage by weight
|
|
1
|
1037
|
April 5, 2019
|
|
Can crop failure be overcome by genetic manipulation in crops? If yes, give reason
|
|
1
|
724
|
April 5, 2019
|
|
What qualities of Manish are worth appreciating?
|
|
1
|
977
|
April 5, 2019
|
|
A stone is dropped from the top of a tower 125 m high into a pond of water base of the tower. When is splash heard at the top
|
|
1
|
860
|
April 5, 2019
|
|
Before giving speech in a hall, the reverberation time has been kept short. Why?
|
|
1
|
682
|
April 5, 2019
|
|
Which student reports that the solution turns green from blue colour?
|
|
1
|
561
|
April 5, 2019
|
|
What will be the least count of the spring balance?
|
|
1
|
606
|
April 5, 2019
|
|
Write the names of two methods used to separate the components of the mixture
|
|
1
|
621
|
April 5, 2019
|
|
Suggest any four points, which can be used during this identification
|
|
1
|
604
|
April 5, 2019
|
|
Differentiate between these two fishes, which help in their identification
|
|
1
|
2311
|
April 5, 2019
|
|
Identify the organisms and the kingdom to which they belong
|
|
1
|
644
|
April 5, 2019
|
|
What kind of colloidal solution is butter? Name a technique to separate butter from cream
|
|
1
|
1729
|
April 5, 2019
|
|
State the three rules proposed by Bohr and Bury, regarding the distribution of electrons in different orbits of an atom
|
|
1
|
1126
|
April 5, 2019
|
|
Explain why the number of atoms in one mole of hydrogen gas is double the number of atoms in one mole of helium gas?
|
|
1
|
2785
|
April 5, 2019
|